And the Koch right is mounting a full court attack on any import taxes:

Conservative Split Over Import Tax Imperils Trump’s Reform Goal

By NICHOLAS CONFESSORE and ALAN RAPPEPORT @ New York Times, APRIL 1, 2017

One conservative group produced colorful flow charts warning millennials that a “border adjustment” tax proposed by Speaker Paul D. Ryan would raise prices on “the Jose Cuervo tequila that’s in your happy hour margarita.”

Three days later, a second conservative group kicked off a lobbying campaign saying it would amount to a $1.2 trillion tax on seniors and the working poor.

The next day, still another group weighed in, issuing a news release that highlighted how Latinos would be “among those hardest hit” by the new tax on imports.

All three organizations share a common lineage: They are part of the political network overseen by Charles D. and David H. Koch, the billionaire conservative businessmen. Now they are among a host of conservative organizations mounting a furious campaign against a new tax on imports proposed by House Republicans, imperiling what is supposed to be a centerpiece of the Republican tax overhaul effort.

Their opposition threatens yet another rupture with President Trump, some of whose advisers see the provision as a critical way to bring about tax reform while protecting American manufacturers.

The battle could not only jeopardize Mr. Trump’s second major legislative initiative, but also redefine the boundaries of conservative economic policy. Much like the failed repeal of the Affordable Care Act, the import tax is dividing conservatives, the business sector and some of the deepest-pocketed groups funding conservative politics. Along the way, it is exposing the broader ideological divide between nationalist policies embraced by Mr. Trump and the traditional small-government movement that his election ejected from the driver’s seat of Republican policy-making [....]

Trump Is Wimping Out on Trade by Paul Krugman @ NYTimes.com, April 3